IBM AS/400 manual Valid File Operations, A record-address

Valid File Operations

Table

21.

Valid File Operations for Non-keyed Processing Methods (Sequential,

Random by

Relative Record Number, and

Consecutive)

File-Description

Calculation

Specifications

Positions

Specifications Positions

17

18

20

34

44-80

26-35

I

P/S

Blank

CLOSE,

FEOD,

FORCE

I

P/S

Blank

RECNO

CLOSE,

FEOD,

FORCE

U

P/S

Blank

UPDATE,

DELETE,

CLOSE,

FEOD,

FORCE

U

P/S

Blank

RECNO

UPDATE,

DELETE,

CLOSE,

FEOD,

FORCE

I

F

Blank

READ,

READP,

SETLL,

SETGT,

CHAIN,

OPEN,

CLOSE,

FEOD

I

F

Blank

RECNO

READ,

READP,

SETLL,

SETGT,

U

F

Blank

READ, READP, SETLL, SETGT, CHAIN,

UPDATE,

DELETE,

OPEN,

CLOSE,

FEOD

U

F

Blank

RECNO

READ,

READP,

SETLL,

SETGT,

CHAIN,

UPDATE,

DELETE,

OPEN,

CLOSE,

FEOD

U

F

A

Blank

RECNO

WRITE

(overwrite

a

deleted

record),

READ,

READP,

SETLL,

SETGT,

CHAIN,

UPDATE,

DELETE,

OPEN,

CLOSE,

FEOD

I

R

A/P/G/

OPEN,

CLOSE,

FEOD

D/T/Z/

F/

Blank 1

I

R

Blank 2

OPEN,

CLOSE,

FEOD

O

Blank

A

Blank

RECNO

WRITE 3

(add

records

to

a

file),

OPEN,

CLOSE,

FEOD

O

Blank

Blank

RECNO

WRITE 4

(initial

load

of

a new file),

OPEN,

CLOSE,

FEOD

O

Blank

Blank

Blank

WRITE

(sequentially

load

or

extend

a

file),

OPEN,

CLOSE,

FEOD

Notes:

1. If position 34 is blank for a record-address-limits file, the format of record-address file is the same as the format of the keys in the file

2.	A record-address		file containing		relative recordT numbersinpositionrequires35. a
3.	TheRECNO field	that		contains the	relative	record number must be set prior
WRITE operation		ADDor	ifs	specified	on the	output specifications.

4.An A in position 20 is not required for the initial loading of the record however, Aifis specified in positionADD must 20,be specified on output specifica- tions. The file must have been created with one of the OS/400 file crea mands.

306 ILE RPG for AS/400 Programmer's Guide